[Bug 103165] New: [CI] igt@* - dmesg-warn|dmesg-fail - *ERROR* Timeout waiting for engines to idle | *ERROR* [CRTC:36:pipe A] flip_done timed out

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103165

            Bug ID: 103165
           Summary: [CI] igt@* - dmesg-warn|dmesg-fail - *ERROR* Timeout
                    waiting for engines to idle | *ERROR* [CRTC:36:pipe A]
                    flip_done timed out
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: marta.lofstedt at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

There are a lot of dmesg-warn and/or dmesg-fail on a lot of test on the
KBL-shards. This is typically when we havn't hit LSPCON issues see BUG 102295
or linktraining issues see BUG 102359


<7>[  797.729622] [drm:init_workarounds_ring [i915]] rcs0: Number of context
specific w/a: 15
<7>[  799.711611] [drm:missed_breadcrumb [i915]] rcs0 missed breadcrumb at
intel_breadcrumbs_hangcheck+0x61/0x80 [i915], irq posted? yes, current
seqno=203b7, last=203b7
<3>[  799.840467] [drm:i915_gem_idle_work_handler [i915]] *ERROR* Timeout
waiting for engines to idle
<3>[  809.951409] [drm:drm_atomic_helper_wait_for_dependencies] *ERROR*
[CRTC:36:pipe A] flip_done timed out
<3>[  820.191422] [drm:drm_atomic_helper_wait_for_dependencies] *ERROR*
[PLANE:27:plane 1A] flip_done timed out
<3>[  830.431302] [drm:drm_atomic_helper_wait_for_flip_done] *ERROR*
[CRTC:36:pipe A] flip_done timed out

Some examples:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3191/shard-kbl2/igt@pm_rpm@i2c.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3191/shard-kbl4/igt@gem_wait@await-bsd1.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3191/shard-kbl4/igt@kms_flip@rcs-wf_vblank-vs-modeset.html

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